Originally Posted by
B2N2
What a prime example of jackass engineering.
Even with a different shape/color/orientation that’s just asking for trouble.
I could rant on about "human factors" but that's so broad it defies definition in many circles. But at the top of the list is the Human/Machine Interface (HMI). Until that is intelligently addressed and reasonably standardized it will be a tough one to get past. MHO anyway.